when the fire happened,the firemen hurried there and carried the children to [safe]为什么中间的空填safety,它不是名词么,to后面可以跟名词么.the box is too heavy for him to carry ,为什么不能用to carry it.what do you think ___

A fire can happen when youre sleep at home.When you hear the fire alarm,get up quickly.什么意思? when did the accident happen a fire can happen when you'are sleeping at home.____ can ____a fire when you'are sleeping at home. When did the earthquake of Wenchuan happen When () the accident ()?A.was,happen B.did;happen C.is;happen D.was;happened 选B,为什么? when the firnen come they will ( )the fire quickly when did the accident happen?怎麼回答? When did the car accident happen?(同义句） ____(when/while) i sleep,the earthquake _____(happen) How fast__________________________(you/drive)when the accident__________(happen)? Please keep the fire burning when I'm out. Be _____(safely) when you put out the fire Alice,what were you doing when the fire started When anyone leaves paper money in a fire,the fire burn sit.怎么理解burn sit 句型转换It happend that I was outdoors when the fire broke outI --- ---- ---- outdoors when the fire broke out 有很多的问题,during the ire drill和in the fire drill一样吗?是how did the early men make a fire还是how did the early men to make a fire?是what may happen if we don't careful with fire还是what may happen if we aren't careful with fire?s I ask the man in the shop_____.A.when it happened B.when did it happen Can you tell me _ in Turkey?On 23 October.It killed more than 600 hundredA when the earquake will happen B When will the earkuake happen C when the earquake happened D when did the earthquake happen